Note 7 - Shareholders' Equity: Schedule of dividends declared and paid (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Dividends	$ 24,048	$ 9,758	$ 19,086
Class A Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 2.000	$ 0.850	$ 1.700
Dividends, Cash	17,486	6,247	12,040
Class B Common Stock
Common Stock, Dividends, Per Share, Cash Paid	$ 1.300	$ 0.553	$ 1.105
Dividends, Cash	$ 6,562	$ 3,511	$ 7,046